SADDLE PIECES

Type and Construction

Saddle pieces are in accordance with EEMUA –234, Section 7. Saddle pieces up to including 12 in./323.9 mm are supplied in seamless. Larger dimensions are manufactured from seamless or welded pipes as well as plates.

Dimensions

Dimensions are based on EEMUA -234, Section 7, Figures 7.1-7.3 and Tables 7.1.1-7.3.2. Saddle pieces with other dimensions are available on request.

Tolerances

The tolerances are based on EEMUA – 234, Section 7, Tables 7.2.1-7.3.2.

Weld Preparation

Welding ends of butt weld ends for wall thickness less than 3 mm, the saddle pieces are supplied with plain weld ends. Larger thicknesses are supplied with the weld bevel of 37 ½°±2 ½°.

SEAMLESS SADDLE PIECES

Header

Branch

t

t

Dimension

Tolerance on

Dimension

Tolerance on

Speciefied OD

Size Range

16 bar

20 bar

L

L

h

h

r

mm

mm

mm

mm

mm

mm

mm

mm

mm

All header sizes equal to or larger than branch up to and including914 x 15.5 (16 bar)610 x 13 (20 bar)

323

5.5

7.0

560

± 6

185

± 2.5

100

267

4.5

5.5

447

± 5

155

± 2.5

90

219.1

4.0

4.5

379

± 5

125

± 1.6

80

159

3.0

3.5

279

± 4

95

± 1.6

60

108

3.0

3.0

188

± 4

75

± 1.6

40

88.9

2.5

2.5

149

± 3

55

± 1.6

30

76.1

2.5

2.5

126

± 3

50

± 1.6

25

57

2.5

2.5

97

± 3

40

± 1.6

20

44.5

2.5

2.5

74

± 3

35

± 1.6

15

38

2.5

2.5

64

± 3

35

± 1.6

13

SEAMWELDED SADDLE PIECES - 16 BAR RATING

Header

Branch

Dimension

Tolerance on

Dimension

Tolerance on

Speciefied OD

Size Range

L

L

h

h

mm

mm

mm

mm

mm

mm

All header sizes equal to or larger than branch in the range323.9 x 5.5up to and including914x 15.5

914 x 15.5

1550

7

460

3.5

813 x 13.5

1400

7

410

3.5

711 x 12

1225

7

360

3.5

610 x 10.5

1020

7

300

3.0

508 x 8.5

880

6

275

3.0

457.2 x 8.0

800

6

250

3.0

419 x 7.0

680

6

225

3.0

368 x 6.5

613

6

200

3.0

323.9 x 5.5

560

6

185

2.5

267 x 4.5

447

5

155

2.5

219.1 x 4.0

379

5

125

1.6

SEAMWELDED SADDLE PIECES - 20 BAR RATING

Header

Branch

Dimension

Tolerance on

Dimension

Tolerance on

Speciefied OD

Size Range

L

L

h

h

mm

mm

mm

mm

mm

mm

All header sizes equal to or larger than branch in the range323.9 x 7.0up to and including610 x 13